exostome
noun
ex·o·stome
ˈeksəˌstōm
plural -s
1
botany : the opening of the outer integument of an ovule that has two integuments
2
: the outer part of the peristome of a moss
Word History
Etymology
International Scientific Vocabulary exo- + -stome; probably originally formed in French
- nitroprussiate
- nitros
- nitros-
- nitrosamine
- nitrosamines
- nitrosify
- nitrosite
- nitroso-
- nitrosoamine
- nitrosobacteria
- nitrosobacteriae
- nitrosobacterias
- nitrosobacterium
- nitrosochloride
- Nitrosococcus
- Nitrosomonas
- nitrosomonases
- nitrosomonasses
- nitrosophenol
- nitrososulfuric acid
- nitrospans
- nonearnings
- nonecclesiastical
- noneconomic
- noneconomist